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Journal articles on the topic 'Coking process'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Shi, Yan, and Zhi Xin Yue. "Generation and Emission Characteristics of Polycyclic Aromatic Hydrocarbons in Single Coal Coking Process." Advanced Materials Research 402 (November 2011): 442–45. http://dx.doi.org/10.4028/www.scientific.net/amr.402.442.

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Polycyclic aromatic hydrocarbons (PAHs) is a kind of the typical persistent organic pollutants with their teratogenic, carcinogenetic, mutagenic. Coking production process has become one of the main sources of PAHs in the environment. For researching the generation and emission properties of PAHs in coking process, the writer studied the PAHs in single coal coking process through laboratory sampling and high-performance liquid chromatography analysis, observed and summarized the generation regularity and emission characteristics of PAHs in three kinds of single coal coking process, and provide

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2

Sun, Hui, Hong Bo Xia, Qun Yang, Shuai Du, Dan Dan Song, and Hai Zhou Chang. "Investigation of Sulfur Transformation during Coking Process." Advanced Materials Research 881-883 (January 2014): 228–33. http://dx.doi.org/10.4028/www.scientific.net/amr.881-883.228.

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Twenty-four kinds of coking coals which have different ranks are selected to investigate the sulfur transformation during coking process. The form sulfur in coals and cokes are determined by wet chemical method. The results show that the conversion of total sulfur during coal coking process is influenced by volatile content of coal and the content of the inertinite. The conversion of total sulfur is high for the large volatile content in coal. There is some linear correlation between the average conversion of total sulfur and the average inertinite content, this paper presents that the average

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3

Tarusov, D. V., V. K. Slakaev, G. S. Mutovkin, et al. "Changing the properties of narrow fractions in the process of hydrotreating light coking gas oil." World of petroleum products 04 (2022): 36–41. http://dx.doi.org/10.32758/2782-3040-2022-0-4-36-41.

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Currently, the main products of the delayed coking plant in the Russian Federation (after hydrotreating) are gasoline and diesel fuel summer. The paper presents the results of a study of the properties of narrow fractions of coking gas oil and hydrotreated coking gas oil, which showed the prospect of organizing production based on the coking process of more marginal aviation kerosene and winter diesel fuel. The separation of products into narrow 20 degree fractions was carried out on an automatic distillation unit AUTOMAXX 9100. The dependences of nitrogen, sulfur, aromatics, density, and low-

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4

Gu, Wenhui, and Guangce Wang. "Absorptive process and biological activity of Ulva prolifera and algal bioremediation of coking effluent." BioResources 15, no. 2 (2020): 2605–20. http://dx.doi.org/10.15376/biores.15.2.2605-2620.

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The concentrates of coking effluents are toxic and technically challenging to treat. Environmental protection demands an efficient and cost-effective technique for coking wastewater treatment. The intertidal marine macro alga Ulva prolifera has a high tolerance to various environmental stresses. In this study, U. prolifera was collected from an intertidal field and tested in a laboratory-scale photobioreactor for potential bioremediation of coking effluent concentrate. Algal physiology and water quality were measured. During treatment, the quantum yield Fv/Fm and effective quantum yield Y(II)

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5

Shi, Yan, Chun Yan Song, and Lin Gao. "Generation Characteristics of Polycyclic Aromatic Hydrocarbons during Blending Coal Coking." Advanced Materials Research 418-420 (December 2011): 424–27. http://dx.doi.org/10.4028/www.scientific.net/amr.418-420.424.

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Polycyclic aromatic hydrocarbons (PAHs) are discharged into the atmosphere during coking process. They are the typical persistent organic pollutants with their teratogenic, carcinogenetic, and mutagenic. The writer studied the PAHs in blending coal coking process through laboratory sampling and high-performance liquid chromatography analysis, observed and summarized the generation regularity and emission characteristics of PAHs in three kinds of blending coal coking process, and provided the foundation data for the control of PAHs in coking process.

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6

Zhao, Jing Jing, Jun Wang, Qi Feng Liu, et al. "A Review of Hybrid Process to Treat Coking Wastewater." Advanced Materials Research 955-959 (June 2014): 2234–37. http://dx.doi.org/10.4028/www.scientific.net/amr.955-959.2234.

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Coking wastewater contains high concentration of refractory and toxic compounds. The effluent quality usually cannot meet the discharge limits after single conventional biological treatment processes. In order to find more effective coking wastewater treatment process, a serious hybrid treatment process were reviewed in this paper, which include: anoxic-anaerobic-oxic(A2/O) combined with membrane bioreactor (MBR); Fe/C micro electrolysis combined with Fenton process. Fenton oxidation combined with biologically process. Wastewater quality and operating parameters were compared. Through this rev

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7

Sultanov, Faiz M., Vyacheslav V. Surkin, Artur R. Davletshin, and Mikhail A. Prokhorov. "CAUSES OF COKE DEPOSITION IN FURNACE COILS OF DELAYED COKING UNITS AND VISBREAKING UNITS." Oil and Gas Business, no. 2 (April 22, 2025): 206–26. https://doi.org/10.17122/ogbus-2025-2-206-226.

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The study of the coking process of reaction furnaces radiant coil tubes of delayed coking units (DCU), visbreaking was conducted. The objects of research were operating DCU of Russia and neighboring countries. In order to clarify the causes of furnace coil tubes accelerated coking, a comprehensive analysis of the delayed coking process technology was carried out at the unit. Laboratory studies of primary and secondary raw materials, coking products, the quality of the resulting coke, coke deposit composition were carried out, an analysis of the process flow diagram, hardware design of the proc

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8

Sibagatullina, Elena R., Ruslan R. Yapaev, Ekaterina S. Volkova, Ekaterina E. Firsova, Alina R. Valieva, and Klara E. Stankevich. "EXPERIENCE IN OBTAINING PRODUCTS OF THE DELAYED COKING PROCESS USING VISBREAKING RESIDUE AND CATALYTIC CRACKING HEAVY GAS OIL AS FEEDSTOCK." Oil and Gas Business, no. 2 (May 19, 2023): 204–17. http://dx.doi.org/10.17122/ogbus-2023-2-204-217.

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The authors have analyzed the literature data on delayed coking process. There have been considered the following: feedstock bases for petroleum coke production; implementation and development of delayed coking process; the types of products obtained. It has been revealed, that the main feedstocks for the process are heavy fractions of oil: fuel oil, semihudron, tar, various heavy oil residues, etc.In order to expand the feedstock base, the authors conducted laboratory studies concerning the use of visbreaking residue and catalytic cracking heavy gas oil in the coking process. During the resea

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9

Quliyeva, A. N., and G. Z. Allahverdiyeva. "MODELING OF THE COKING PROCESS." Theoretical & Applied Science 95, no. 03 (2021): 36–41. http://dx.doi.org/10.15863/tas.2021.03.95.4.

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10

Li, Hong Fu, Shuo Yun Liu, Li Hua Zhao, Hao Bai, Da Qiang Cang, and Gui You Zhou. "Analysis and Optimization of Material Flow and Energy Flow in the Coking-Steel Co-Production System." Advanced Materials Research 524-527 (May 2012): 1980–88. http://dx.doi.org/10.4028/www.scientific.net/amr.524-527.1980.

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In this paper, material and energy flow in the coking process were analyzed and thus the possibility of resource and energy efficiency increase was pointed out. Considering the unreasonable structure of coking industry currently, a novel model of coking-steel co-production system was built and its advantages were analyzed in the respects of the use of coal gas, waste heat and coal resources. The results show that the coking-steel co-production system has the more obvious advantages than the traditional coking process.

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11

Kardez, A., and G. Winnicka. "Coking pressure. Part II. Effect of process factors on coking pressure." Fuel and Energy Abstracts 43, no. 4 (2002): 239. http://dx.doi.org/10.1016/s0140-6701(02)86100-8.

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12

Ba, Ya Er, and Zi Fu Li. "Study of the Treatment of Coking Wastewater by Biological Nitrogen Removal with Physical-Chemical Process." Advanced Materials Research 383-390 (November 2011): 3729–33. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.3729.

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Coking wastewater component complex is difficult to treat and yet unable to achieve the emission target by biological treatment, thus needs further processing. Wastewater treatment plant of coking plant in Bao Gang applied A/O process in biological treatment, used special treatment agent -M180 by coagulation and sedimentation process. Through treatment, the parameters reached the first grade of GB13456-92. It is of great reference significance for process debug and operation of the coking wastewater treatment system.

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13

Красулин, Н. А., Т. Г. Черкасова, В. С. Солодов, В. А. Климчук, and С. П. Субботин. "FORMATION OF PYROCARBON IN LABORATORY COKING OF COAL." Koks i khimiya, no. 6 (June 28, 2023): 16–21. http://dx.doi.org/10.52351/00232815_2023_06_16.

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В процессе коксования углей выделяются летучие продукты коксования, вследствие чего на стенах и своде печных камер образуются отложения пироуглерода (графита). Чрезмерное отложение пироуглерода препятствует выдаче готового коксового пирога из печной камеры. Выявление параметров, оказывающих значительное влияние на процесс образования пироуглерода, позволит более тонко контролировать процесс его роста в камерах коксования, и, как следствие, сохранить печной фонд коксохимических предприятий. В данной работе проведена оценка влияния степени метаморфизма угля, его влажности и гранулометрического с

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14

Kondrasheva, N., V. Rudko, M. Nazarenko, and R. Gabdulkhakov. "Influence of parameters of delayed asphalt coking process on yield and quality of liquid and solid-phase products." Journal of Mining Institute 241 (February 25, 2020): 97. http://dx.doi.org/10.31897/pmi.2020.1.97.

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Paper studies the effect of excess pressure during delayed coking of asphalt, obtained by propane deasphaltization of tar, on yield and physical and chemical properties of hydrocarbon fuels' components and solid-phase product – petroleum coke. Asphalt was coked at a temperature of 500 °C and excess pressure of 0.15-0.35 MPa in a laboratory unit for delayed coking of periodic action. Physical and chemical properties of raw materials and components of light (gasoline), medium (light gasoil), and heavy (heavy gasoil) distillates obtained during experimental study were determined: density, viscosi

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15

Wang, Jimin, Wuwang Han, Xi Chen, and Sitong Li. "Numerical simulation on coking process of coke oven with external flue gas recirculation." Ironmaking & Steelmaking: Processes, Products and Applications 51, no. 4 (2024): 339–55. http://dx.doi.org/10.1177/03019233241242547.

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The coking behaviour and NOx emission characteristics of the coke oven are of great significance for coke production. Based on the realisation k-epsilon turbulence model, the P-1 radiation model, the species transport model with eddy dissipation, and the thermal NOx model. A comprehensive model for traditional regenerative coke oven was established with reversing mode and external flue gas recirculation model considering temperature-dependent thermophysical properties. The convective term of model equations was the discretised using the second-order upwind scheme, while the others were applied

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16

Liu, Zhi Jiao, and Yun Lng Yang. "Coking Wastewater Physico-Chemical Treatment Technology Evolvement Review." Advanced Materials Research 864-867 (December 2013): 88–95. http://dx.doi.org/10.4028/www.scientific.net/amr.864-867.88.

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Coal coking wastewater is generated from coking, coal gas purification and coking product recovery process, its composition is complex and difficult to degrade. By introducing the coking wastewater treatment research and application, such as adsorption,coagulation and sedimentation, flue gas treatment and other physical methods, as well advanced oxidation, wet oxidation, Fenton reagent method, photocatalytic oxidation, ultrasonic oxidation, ozone oxidation method, electrochemical oxidation, supercritical water oxidation, incineration and plasma technology, this paper puts forward the trend of

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17

Shi, Yan, Jun Guo Li, and Lin Gao. "Study on Polycyclic Aromatic Hydrocarbons Distribution during Single Coal Coking." Advanced Materials Research 476-478 (February 2012): 307–10. http://dx.doi.org/10.4028/www.scientific.net/amr.476-478.307.

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Coking is the process of coal pyrolysis. It can produce a large number of PAHs which are the typical persistent organic pollutants with their teratogenic, carcinogenetic, and mutagenic. The writer studied the PAHs in single coal coking process through laboratory sampling and high-performance liquid chromatography analysis, observed and summarized the structure distribution of 16 kinds of priority recommended PAHs in three single coal coking process, and provided the foundation data for the control of PAHs.

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18

Xu, Hongxiang, Shan Li, Jingzheng Wang, et al. "Removal of Pyridine from Aqueous Solutions Using Lignite, Coking Coal, and Anthracite: Adsorption Kinetics." Processes 11, no. 11 (2023): 3118. http://dx.doi.org/10.3390/pr11113118.

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A novel coking wastewater treatment technique is proposed based on the principles of the circular economy. By utilizing coal as an adsorbent for organic pollutants in coking wastewater, the treated coal can be introduced into the coking system after the adsorption and flocculation sedimentation processes. This creates a closed-loop system with zero coking wastewater emissions. We investigated the potential of adsorption for the removal of pyridine. Batch experiments were conducted using lignite, coking coal, and anthracite as adsorbents. Both coking coal and anthracite showed favorable adsorpt

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19

Shigapov, R., E. Nurieva, and G. Sagdeeva. "Optimization of Operation of Heavy Oil Residue Processing Units in Delayed Coking Processes." Bulletin of Science and Practice 10, no. 6 (2024): 446–53. http://dx.doi.org/10.33619/2414-2948/103/47.

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The delayed coking process is the most cost-effective and promising technology for processing oil residues and has become most widespread. Oil refineries that include ultrasonic treatment plants can be classified as plants with waste-free oil refining technology. The UZK includes coking and fractionation sections, a furnace block, a coke unloading block, a gas and naphtha separation block, a unit for collecting harmful emissions, a unit for purifying water separated from petroleum coke, a system inside the coke processing unit, a system for compressing and supplying wet gas and others auxiliar

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20

Orliński, Piotr, Piotr Laskowski, Magdalena Zimakowska-Laskowska, and Paweł Mazuruk. "Assessment of the Impact of the Addition of Biomethanol to Diesel Fuel on the Coking Process of Diesel Engine Injectors." Energies 15, no. 3 (2022): 688. http://dx.doi.org/10.3390/en15030688.

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The paper presents unique research results on the effect of coking of diesel engine injector nozzles powered by mixtures of 10%, 20% and 30% biomethanol and diesel fuel compared to the engine being supplied with pure diesel fuel. The test results, obtained from an experiment conducted in accordance with the ISO 15550-1 standard, show the legitimacy of using biomethanol as an additive to diesel fuel due to the lower coking effect of the injector nozzles, which has a positive impact on the reduction of pollutant emissions during engine operation. Regarding the CEC PF-023 test, the tendency to re

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21

Karabassova, N. А., and F. B. Kayrliyeva. "Analysis and forecasting of the coking process of oil residues of the Atyrau oil refinery." Kazakhstan journal for oil & gas industry 7, no. 2 (2025): 96–105. https://doi.org/10.54859/kjogi108825.

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Background: The deep processing of hydrocarbon raw materials represents the most significant challenge in the oil refining. Nowadays, there are various technologies available worldwide to process heavy oil residues, which enhance the yield of light petroleum products. Among these, delayed coking is regarded as one of the most promising approaches. Aim: To investigate how the properties of processed raw materials affect the quantitative and qualitative indicators of coking products, we conducted tests using fuel oil samples from the Atyrau Oil Refinery, as well as flux and tar obtained through

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22

Aminu, Moruf O., Janet A. W. Elliott, William C. McCaffrey, and Murray R. Gray. "Fluid Properties at Coking Process Conditions." Industrial & Engineering Chemistry Research 43, no. 12 (2004): 2929–35. http://dx.doi.org/10.1021/ie030550g.

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23

Aliev, N., and T. Maharramova. "CONTROL OF THE GRADUAL COKING PROCESS." Danish scientific journal, no. 68 (January 26, 2023): 34–36. https://doi.org/10.5281/zenodo.7595315.

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<strong>Abstract</strong> At present, the policy of producing oil fractions around the world is an urgent need. In this regard, the rapid world economy development at the same time, causes its dependence on oil. At such a time, the most pressing issue is the correct and efficient resulting crude oil processing [1÷4]. Taking into account energy efficiency, certain requirements are imposed to improve the quality indicators of the obtained oil fractions [5, 6]. Given the need for petroleum coke, the such a technological process control is a very important issue.

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24

He, Zhongwen, Hui Xu, Changlu Zhou, Zhong Xin, Jichang Liu, and Benxian Shen. "A kinetic model for in situ coking denitrification of heavy oil with high nitrogen content based on starch using a structure-oriented lumping method." RSC Advances 8, no. 57 (2018): 32707–18. http://dx.doi.org/10.1039/c8ra05561k.

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In this study, in situ coking denitrification technology was utilized to simplify the entire process by adding an appropriate quantity of denitrification agents to the delayed-coking tower without any further follow-up denitrification process.

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25

Ahmedzyanov, Rais R., Viktor P. Zaporin, Sergei V. Sukhov, and Igor A. Shadrin. "TECHNOLOGY OF RELATED COKING OF HEAVY OIL RESIDUE WITH THE INVOLVEMENT OF THE BOTTLE REST IN THE PROCESS." Oil and Gas Business, no. 6 (December 27, 2023): 193–207. http://dx.doi.org/10.17122/ogbus-2023-6-193-207.

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The need to increase the depth of processing of oil and hydrocarbon-containing raw materials entails the need for qualified processing of residual products in order to use them more efficiently. This paper shows the role of a delayed coking unit in the processing of heavy oil residues and the deepening of oil refining, as well as the state of the global and Russian coke production market. An analysis of various heavy coking gas oils was carried out according to their initial physicochemical characteristics and type of origin. Material balances of coking in a laboratory installation of various

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26

Bai, Jin Feng, Jiu Shi Shang, Yang Liu, et al. "Effect of Bulk Density of 1/3 Coking Coal on Pyrolysis Kinetics." Applied Mechanics and Materials 148-149 (December 2011): 938–41. http://dx.doi.org/10.4028/www.scientific.net/amm.148-149.938.

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This work investigated the weight loss profile and kinetic parameters during the pyrolysis process of the 1/3 coking coal samples from Dongshan (Jixi, Heilongjiang province) in inert gases with the help of thermal-gravimetry apparatus. The characteristic temperatures, the activation energy and the frequency factors gained from the experiment change regularly during the pyrolytic process of the sample coal. The activation energy change with the bulk density indicates that the increase of the bulk density of the coal is beneficial to the coking reaction process of the coking coal.

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27

Hao, Su Ju, Wu Feng Jiang, Yu Zhu Zhang, and Bing Liu. "Removal of Sulfur Dioxide from Sintering Flue Gas with Coking Wastewater." Advanced Materials Research 287-290 (July 2011): 910–15. http://dx.doi.org/10.4028/www.scientific.net/amr.287-290.910.

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Coking wastewater comprising a lot of ammonia is a good desulfurizer for recycling. Sintering flue gas is characterized by large volume, low sulfur dioxide (SO2) concentration and large variation amplitude and etc. The purpose for treating waste with waste can be carried out by treating sintering flue gas with coking wastewater. This paper uses a spray tower countercurrent device, ensures the contact between coking wastewater and sintering flue gas, and detects SO2 concentration of inlet flue gas and outlet flue gas on line by using an automatic flue gas detection instrument. This paper studie

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28

Pang, Keliang, Dongjie Liu, Ji Wu, Cai Liang, Jiliang Ma, and Qingwen Wei. "A novel hot-tamping process for producing an improved quality of coke." Metallurgical Research & Technology 116, no. 6 (2019): 637. http://dx.doi.org/10.1051/metal/2019061.

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To produce superior quality of coke as compared to traditional cokemaking technologies, a novel hot-tamping technique has been developed. The quality of produced coke was assessed based on the reactivity, pore structure and microcrystalline structure. The results confirmed that the hot tamping coking process produced cokes with superior qualities as compared to traditional cokemaking and cold tamping coking. The hot-tamping cokes have good gloss, compact carbon structure, strong thermal strength and small volume of medium and small pores. This will reduce the coke reactivity by 3–4% when compa

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29

Dou, Jie. "Study on coking of High Moisture Lignite in coal fired boiler." Journal of Physics: Conference Series 2087, no. 1 (2021): 012027. http://dx.doi.org/10.1088/1742-6596/2087/1/012027.

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Abstract The coking problem of coal-fired boiler seriously affects the economy and safety of the boiler. At the same time, the work of poking coke after coking in the boiler poses a great threat to the personal safety of poking coke personnel, which violates the purpose of establishing “intrinsic safety” in the power industry. Therefore, it is very important to analyze the factors affecting the coking of coal-fired boiler and effectively prevent the coking of coal-fired boiler. This paper studies the coking situation of High Moisture Lignite in a certain type of coal-fired boiler, calculates t

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30

Jiang, Wu Feng, Su Ju Hao, and Yun Han Ling. "Study on Coking Wastewater Treatment by Fixed Bed of Metallization Pellets with High Carbon." Advanced Materials Research 356-360 (October 2011): 1942–46. http://dx.doi.org/10.4028/www.scientific.net/amr.356-360.1942.

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Coking wastewater produced in the coking process is poisonous and difficult to be degraded. Coking wastewater was treated by fixed bed reactors of metallization pellets with high carbon (MPHC). In this paper, it studies the effect of removing phenols, cyanide, chemical oxygen demand（COD）and ammonia nitrogen in coking wastewater by MPHC. The results show that MPHC has good degradation effect on phenols and cyanide in coking wastewater, and the degradation rate reaches to 99.88% and 99.81% respectively; and has certain degradation effect on COD, the degradation rate is 70.61%; has poor degradati

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Kirk, M. J., and T. S. Sorensen. "Studies on the thermal coking of bitumen. I. The use of pyrene-d10 as a probe for evaluating the extent of hydrogen shuttling reaction." Canadian Journal of Chemistry 69, no. 1 (1991): 116–20. http://dx.doi.org/10.1139/v91-019.

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The organic reactions that take place during the thermal coking of bitumen are extremely complex and deep-seated, but obviously hydrogen atoms originally attached to carbons that form coke will have moved to a new carbon site (net addition of hydrogen, resulting in upgraded bitumen). Accompanying this process, one expects some general hydrogen shuttling between non-coking molecules. This paper describes an approach to determing the extent of this latter process by the addition of a small amount of perdeuterated pyrene to the bitumen prior to the coking operation. The in situ pyrene functions a

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Zhong, Xiangyun, Shiyong Wu, Yang Liu, et al. "Research on the evolvement of morphology of coking coal during the coking process." Journal of Environmental Sciences 25 (December 2013): S186—S189. http://dx.doi.org/10.1016/s1001-0742(14)60653-7.

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Gabdulkhakov, R. R., K. Yu Govkelevich, V. A. Rudko, and I. N. Pyagay. "A process to increase the detonation resistance of motor gasoline using a component obtained during needle coke production." Mining Industry Journal (Gornay Promishlennost), no. 1S/2025 (April 5, 2025): 21–27. https://doi.org/10.30686/1609-9192-2025-1s-21-27.

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The paper discusses the effect of polymer addition, which improves needle coke morphology, on the composition and properties of fuel distillate fractions of the delayed coking process. A significant change was found in the hydrocarbon composition and physicochemical properties of the cracked gasoline fraction along with preserved composition of the light and heavy gasoil fractions, as well as a significant change in the material balance of the process. When mixing 35 wt% of the gasoline fraction of the coking distillates made using the modified feedstock with gasoline which octane number is 80

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Zhang, Qing Jun, Liang Liang Tan, Ming Ze Xu, Shao Hong You, and Hua Lin. "A New Energy-Saving Device’s Introduction & Exploration in the Treatment of Coking Wastewater." Advanced Materials Research 807-809 (September 2013): 1118–23. http://dx.doi.org/10.4028/www.scientific.net/amr.807-809.1118.

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This essay introduces the structure and design of deep well AA/OO new process and advantages in treatment of coking wastewater, rational utilization of waste shafts properly give full play to improve AA/OO process for treating coking wastewater, greatly reducing the investment of infrastructure and construction. Combining the advantages of the AA / OO and deep aeration process can enhance the force of shock load and improve the high concentration of the wastewater treatment efficiency. Simultaneously, this patented technology is influenced less by temperature, widely suitable to many areas and

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Zhang, Nan, Gai Feng Xue, Pu Liu, and Li Na Wang. "Application of Electrosorption Desalination Technology in Coking Wastewater Treatment." Advanced Materials Research 573-574 (October 2012): 516–20. http://dx.doi.org/10.4028/www.scientific.net/amr.573-574.516.

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Coking wastewater is generated from metallurgy industry and it contains many highly toxic substances. Because the coking wastewater would bring about severe environmental pollution, it is best to reuse it as circulating cooling water. However, there are large quantities of ions in coking wastewater, which would cause serious corrosion to the pipe and the devices in the process of recycling. Therefore, desalting techniques are necessary for the reused of coking wastewater. Electrosorption technique (EST), as a new type of water treatment technology, can meet the economic benefits of water treat

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Burmistrz, Piotr, Tadeusz Dziok, Dorota Makowska, Faustyna Wierońska, and Andrzej Strugała. "Contents of Ecotoxic Elements in Polish Coking Bituminous Coals and in Products of Coking." E3S Web of Conferences 108 (2019): 02002. http://dx.doi.org/10.1051/e3sconf/201910802002.

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Ecotoxic elements include the ones which have a negative impact on human health and the environment, among others, mercury, arsenic and lead. Hard coal is a fuel which contains significant amounts of ecotoxic elements and the processes of coal combustion, coking and gasification are one of the main sources of their anthropogenic emission. In the coking process, individual ecotoxic elements in various proportions remain in coke and are released to the raw coke oven gas. During the cleaning and cooling of coke gas, ecotoxic elements are distributed between purified coke gas and other coking bypr

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Deng, Dongmei, Ting Huang, Qing Li, et al. "Treatment of Coking Wastewater Using Hydrodynamic Cavitation Coupled with Fenton Oxidation Process." Molecules 29, no. 5 (2024): 1057. http://dx.doi.org/10.3390/molecules29051057.

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Effective and economical processes for the advanced treatment of coking wastewater were urgently needed to reduce the persistent organic pollutants of external drainage. In the present work, we investigated the degradation of organic pollutants in coking wastewater through IHC/FO (imping stream hydrodynamic cavitation (IHC) coupled with the Fenton oxidation (FO) process) and IHC alone for their feasibility in the advanced treatment of coking wastewater. To select the optimum parameters, attention was paid to the effects of main operation conditions including inlet fluid pressure, medium temper

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Orazbayev, Batyr, Elmira Dyussembina, Gulzhan Uskenbayeva, Aliya Shukirova, and Kulman Orazbayeva. "Methods for Modeling and Optimizing the Delayed Coking Process in a Fuzzy Environment." Processes 11, no. 2 (2023): 450. http://dx.doi.org/10.3390/pr11020450.

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Technological objects and processes are often characterized by fuzzy initial information necessary for developing their models and optimization. The purpose of the study is to develop a method for synthesizing linguistic models of fuzzy described objects and a heuristic method for solving the multicriteria optimization problem in a fuzzy environment. Based on the expert assessments and logical rules of conditional inference, a method for synthesizing linguistic models was developed for describing processes with fuzzy input and output parameters. To solve the problem of multicriteria optimizati

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Na, Hongming, Jingchao Sun, Yuxing Yuan, Ziyang Qiu, Lei Zhang, and Tao Du. "Theoretical Energy Consumption Analysis for Sustainable Practices in Iron and Steel Industry." Metals 14, no. 5 (2024): 563. http://dx.doi.org/10.3390/met14050563.

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Exploring theoretical energy consumption introduces a fresh perspective for energy-saving research within the iron and steel industry, with a primary focus on the energy expended during material transformation. Building upon the theory of theoretical energy consumption, this study meticulously investigates the theoretical energy consumption associated with each stage of the iron and steel making process, including coking, sintering, pelletizing, ironmaking, steelmaking, and hot rolling. The findings reveal that, under specific conditions, the theoretical energy consumption for each process is

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Zhang, Zhi Yong, and De Li Wu. "Advanced Treatment of Coking Wastewater by Oxidation Process Using Pyrite and Hydrogen Peroxide." Advanced Materials Research 726-731 (August 2013): 2521–25. http://dx.doi.org/10.4028/www.scientific.net/amr.726-731.2521.

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Coking wastewater is a kind of recalcitrant wastewater including complicate compositions. Advanced treatment of coking wastewater by Fenton-Like reaction using pyrite as catalyst was investigated in this paper. The results show that the chemical oxygen demand (COD) of coking wastewater decreased significantly by method of coagulation combined with two-stage oxidation reaction. COD of wastewater can decrease from 250mg/l to 45mg/l after treatment, when 2g/L pyrite was used in each stage oxidation and the dosage of hydrogen peroxide (H2O2) is 0.2ml/l for first stage treatment, 0.1ml/l for second

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Kandula, Rajesh. "Transient Thermal Analysis Using FEA for Metallurgical CokeMaking Process." Journal of Engineering and Applied Sciences Technology 3, no. 3 (2021): 1–4. http://dx.doi.org/10.47363/jeast/2023(3)184.

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Metallurgical coke is a primary fuel source integral to steel production, achieved through the carbonization of coal in coke ovens at elevated temperatures. Ensuring optimal coke quality necessitates a uniform temperature distribution within these ovens to prevent incomplete carbonization or over-coking. The case study is presented herein leverages Finite Element Analysis (FEA), a potent computational technique, to execute a transient thermal analysis on a coal bed in a horizontal metallurgical coke oven. This analysis aids in understanding temperature variations over time during the coking pr

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Nikolaev, A. I., B. V. Peshnev, and E. V. Egorova. "Coking of high-viscosity water-containing oil." Fine Chemical Technologies 17, no. 1 (2022): 30–38. http://dx.doi.org/10.32362/2410-6593-2022-17-1-30-38.

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Objectives. A characteristic feature of oil production is an increase in the volume of highviscosity bituminous oil. In Russia, technologies based on the use of water vapor are used for their extraction. The use of such technologies leads to a large amount of water in the product stream from the production well. Preparation of oil for processing involves its stabilization, desalination, and dewatering. Since the densities of the extracted oil and the water contained in it are comparable, traditional preparation schemes for processing of high-viscosity bituminous oil are ineffective. One of the

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Jiazhi, Xiao, Wang Lanjuan, Wei Xuejun, Li Xueyun, and Zhang Tianqing. "PROCESS SIMULATION FOR A TUBULAR COKING HEATER." Petroleum Science and Technology 18, no. 3-4 (2000): 319–33. http://dx.doi.org/10.1080/10916460008949849.

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Liao, K., Y. Cong, and X. Wang. "Coking Diesel by FS Non-hydrotreating Process." Petroleum Science and Technology 27, no. 2 (2009): 158–67. http://dx.doi.org/10.1080/10916460701700245.

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Voloshin, N. D., and S. A. Akhmetov. "Investigation of coking process under reduced pressure." Chemistry and Technology of Fuels and Oils 21, no. 3 (1985): 116–17. http://dx.doi.org/10.1007/bf00724973.

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Liu, Changxin, Zhihui Xie, Fengrui Sun, and Lingen Chen. "Exergy analysis and optimization of coking process." Energy 139 (November 2017): 694–705. http://dx.doi.org/10.1016/j.energy.2017.08.006.

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Xu, Xiuli, Yuexin Qi, Lu Tian, et al. "Evolution of carbon structure and cross-linking structure during coking process of coking coal." Journal of Analytical and Applied Pyrolysis 182 (September 2024): 106670. http://dx.doi.org/10.1016/j.jaap.2024.106670.

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Kiselev, B. P., and S. A. Liskovets. "Russian coking coal." Coke and Chemistry 50, no. 11 (2007): 317–24. http://dx.doi.org/10.3103/s1068364x07110014.

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Yusubov, F. V. "Improving Delayed Coking." Coke and Chemistry 65, no. 5 (2022): 181–90. http://dx.doi.org/10.3103/s1068364x22050052.

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Fan, Shiguang, Guanjun Xu, He Liu, et al. "Optimization of Product Distribution in the Heavy Oil Vacuum Residue High Value-added Process by Using Additives." E3S Web of Conferences 194 (2020): 01031. http://dx.doi.org/10.1051/e3sconf/202019401031.

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The increase in demand for fuel oil has brought higher challenges to the high value-added process of heavy oil vacuum residue, especially for delayed coking units. For optimization of product distribution, the effects of reaction temperature and chemical additives were discussed. The results show that high temperature and 1 wt% of the heteropoly acid (HPA) could increase the light oil yield in the experimental delayed coking simulation device.

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